CMR5048 48v 50 amp mppt regulator for lithium batteries
MPPT Solar Charge Controller | 50A | 12V/24V/36V/ 48V(Auto) | PV Voltage: 150Vdc
GRANKIA CMR5048 48v 50 amp mppt regulator for lithium batteries is to regulate the battery charging process and ensure the battery is charged correctly, or more importantly, not over-charged.
CMR5048 48v 50 amp mppt regulator can be up to 30% more efficient, depending on the battery voltage and operating voltage (Vmp) of the solar panel.
50 Amp MPPT Regulator Feature
- Compatible for PV systems in 12V, 24V, 36V, 48V
- Fast MPP Tracking
- Maximum power point tracking efficiency over 99.5%
- PV INPUT 150V max Voc
- Built-in lithium battery activation function
- Support Sealed, GEL, Flooded, and Lithium-ion battery
- Three stages charging optimizes battery performance
- Die-cast aluminum design allows for efficient heat dissipation
- Ability to output in parallel to power DC loads
- Real-time energy statistic function
- Very advanced monitoring app
- Dual RS-485 communication interface allows for easy programming, control and remote monitoring
Setting UP Off-grid Solar System
Solar Charge Controller FAQ
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Is it OK to oversize solar charge controller?
A voltage window is generally given, for example between 18V and 150V for a 12V battery bank. If you size the array lower than 18V, there won’t be enough voltage from the solar panels to properly charge the battery. But if you go over the high voltage, you can permanently damage the charge controller.
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What are the two types of solar controllers?The two major types of solar charge controllers are:
- Pulse Width Modulation (PWM) controllers.
- Maximum Power Point Tracking (MPPT) controllers.
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Do I need a charge controller between solar panel and battery?
Solar charge controllers are an essential element to any solar electric panel system. At a most basic level, charge controllers prevent batteries from being overcharged and prevent the batteries from discharging through the solar panel array at night.
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| Model | CMR5048 | |
| MPPT Efficiency | ≥99.5% | |
| System Voltage | 12V/24V/36V/48V(Auto) | |
| Voltage Range | 12V | 9VDC-15VDC |
| 24V | 18VDC-30VDC | |
| 36V | 27VDC-45VDC | |
| 48V | 36VDC-60VDC | |
| Li-ion Battery | 8VDC-60VDC(Adjustable) | |
| Dimension | 305x185x72mm | |
| Net Weight | 2.15 Kgs | |
| PV INPUT | ||
| Max. PV Input Voltage | 150VDC | |
| Min. Vmpp Voltage | Battery voltage +2V | |
| Start-up Charging Voltage | Battery voltage +3V | |
| Low INPUT Voltage Protection | Battery voltage +2V | |
| Over Voltage Protection | 150VDC | |
| Recovery Voltage Protection | 145VDC | |
| PV Rated Input Power | 12V | 650W |
| 24V | 1300W | |
| 36V | 1950W | |
| 48V | 2600W | |
| Li-ion Battery | 630W-2520W | |
| DC LOAD OUTPUT | ||
| Load Voltage | Same as battery voltage | |
| Load Current | 30A | |
| Low Voltage Protection | 10.5VDC, 11VDC restored (Settable) | |
| Setting Parameters | Via PC software / APP / Self | |
| CHARGE | ||
| Battery Type | Sealed(SEL), Gel(GEL), Flooded(FLD), Lithium-ion(Lit), User-defined(USE) | |
| Charging Mode | MPPT (Maximum Power Point Tracking) | |
| Charging Current | 50A | |
| Charging Method | 3-stage: CC (Constant current) – CV (Constant voltage) – CF (Float charge) | |
| Temperature Compensation | -3mV/℃/2V | |
| Active Lithium Battery Function | Optional | |
| SYSTEM | ||
| Protection Function | Input low/over voltage, input/output polarity reverse connection, short circuit, over temperature, battery shedding etc. | |
| Display | HD LCD | |
| Communication | Dual RJ45/RS485, WIFI/Bluetooth(optional) | |
| ENVIRONMENT | ||
| Protection Level | IP21 | |
| Relative Humidity | 0 ~ 90% (Non-condensing) | |
| Altitude | < 3000m | |
| Operating Temperature | -20℃~+50℃ | |
| Storage Temperature | -40℃~+75℃ | |
| Noise | < 10dB | |
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